Cutting Blades
,_ WARNING:Be sure to shutthe engine
off,removeignitionkey,disconnectthe
spark plug wire(s) and ground against
theengine to prevent unintended starting
beforeremoving the cutting blade(s) for
sharpening or replacement. Protect your
handsby usingheavy gloves or a rag to
grasp thecutting blade.
WARNING:Periodically inspect the blade
spindles for cracks or damage,especially
if you strike a foreign object. Replace
immediately if damaged.
Thebladesmayberemovedas follows.
1. Removethe deckfrombeneaththe tractor,(referto
CuttingDeckRemovalon page23) thengentlyflip
thedeckoverto exposeitsunderside.
2. Placea blockof wood betweenthe centerdeckhous-
ingbaffleandthecuttingbladeto act asa stabilizer.
SeeFig.6-5.
3. Removethe hexflangenutthat securesthe bladeto
thespindleassembly.SeeFig.6-5.
4. Toproperlysharpenthe cutting blades,removeequal
amountsof metalfrombothendsofthebladesalong
thecuttingedges,parallelto the trailingedge,at a
25°to 30°angle.
IMPORTANT:If thecuttingedgeof the bladehasalready
beensharpenedto within15/8" fromtheedge,or ifany
metalseparationispresent,replacethe bladeswith new
ones.SeeFig.6-6.
,, It isimportantthateachcuttingbladeedgebeground
equallyto maintainproperbladebalance.
,, A poorlybalancedbladewill causeexcessive
vibrationand maycausedamageto thetractorand
resultinpersonalinjury.The bladecan betestedby
balancingit ona roundshaftscrewdriver.Grindmetal
fromtheheavysideuntilitbalancesevenly.
,, Whenreplacingthe blade,be sureto installthe blade
withthesideoftheblademarked"Bottom" (orwith
a part numberstampedin it) facingthe groundwhen
themowerisintheoperatingposition.
iMPORTANT:Useatorquewrenchto tightentheblade
spindlehexflangenutto between70foot-poundsand 90
foot-pounds.
F
f
Figure 6-5
Figure 6-6
Idlerpulleys
Idlerpulleynuts
Figure 6-7
ng
Your Lawn
IBe sure to shut the
lengine off, remove
iignition key, discon-
inect the spark plug
wire(s) and ground
against the engine to
_revent unintended
starting before remov-
ing the cutting blade(s)
for sharpening or
replacement. Protect
your hands by using
heavy gloves or a rag
to grasp the cutting
blade.
Periodicallyinspect
the blade spindlesfor
cracksor damage,
especially if you strike
aforeign object.
Replaceimmediately if
damaged.
25
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